Avner's profile image Avner Cohen

Key Strengths

  • Hands-on, Leader by example
  • Security Oriented
  • Creative
  • Pragmatic
  • Automate all the things(!) mindset
  • Dedicated and hard working

Keywords / Skills

  • Architecture
  • Technical Leadership
  • DevOps
  • SRE
  • Security (OWASP, SOC2 Type II)
  • Amazon Web Services (AWS)
  • Linux
  • Performance Engineering
  • NodeJS
  • Python
  • Ruby
  • Ansible
  • Terraform
  • MongoDB
  • ElasticSearch
  • Postgresql, MySql
  • CI/CD (Jenkins, CircleCI, TravisCI)


  • English
  • Hebrew
  • Spanish - Conversational

Professional Summary & Objective

A highly motivated senior software developer, with specific focus on infrastructure, security and performance engineering.
Seeking a challenging position in a remote first company.

Over twenty years of experience in the tech industry, working in multiple startups and large enterprises.

Work experience

CISO, Head of DevOps
2016 - Present
A data centric, Machine Learning focused startup in the HR-Tech space.
Manages multiple teams responsible for the Operations (DevOps), IT, Support and Infrastructure of the HiredScore services. Responsible for the Security, including an ongoing certifications (SOC2 Type II) and Penetration testing. Focus on development speed, organization agility while still maintaining a strict and always up to date security program.
Team Leader Infrastructure & Architecture
2012 - 2016
A unique marketplace for freelancers, gig economy trailblazers turned unicorn, A challenging position at a high traffic and fast growing startup.
  • Node.JS - setting up multiple services in production
  • Ruby on Rails - Migration of huge code base from Rails 2 to Rails 3
  • Grape-Api and Sinatra - Breaking up a large RoR application into smaller services in the spirit of SOA.
  • Solr - Implemented the site's search engine
  • Performance analysis and optimization using tools/frameworks such as: Redis, MongoDB, memcached, Solr and much more
2000 - 2012
Director of Application Development
2010 - 2012
Managing 4 feature teams developing a SOA/J2EE based web-application.
Hands on with a large range of development frameworks, to name a few:
Spring (MVC, MDP, DI), JAXB, XMLBEANS, Apache Shiro, IBM Extreme Scale, JSP, JUNIT, Hibernate, CXF, JMS, Jackson and many more.
Working with various development supporting tools such as:
Jenkins/Hudson, ANT, Junit/Cactus, Sonar, SoapUI, Jmeter, and more.

Extensive hands on and monitoring with Relational Databases (DB2 and Oracle), including monitoring performance analysis and PL/SQL scripting, AWR/ADDM and GridControl.
Design, direct and lead the day-to-day work of the teams with hands on in all areas. Reporting to VP R&D.
Infrastructure Support Manager
2007 - 2010
Managed the construction of a new group within the organization. Its role was to give full, end-to-end support to large financial institutions - 24x7.
Leads 3 teams (20 people, including team leaders).
Working directly with customers, all are major global banks in the U.S., Europe, Asia and Australia, with development managers at various branches of the company. Reporting to SVP R&D.
Constructed a new Infrastructure development team responsible for the refactoring of the application’s core libraries. Targeted the application’s performances where major improvements in overall application throughput was achieved.
Team Leader
Working directly with the bank's Business Analysts and a group of developers (2-5), Mainly Java and Web technologies (translated a VB desktop application to a Web UI). Writes detailed design documents, manages the day-to-day tasks and direction of the team.
Intensive system response time testing while creating an extensive platform for the application’s load testing (based on RAD Webload).
Web Developer
Working on a web application’s client side. Mainly Javascript, CSS, HTML and XML/XSL. Developed several complex Widgets as part of a conversion of application from VB based fat client to a Browser based application.
The TextStore
Web Developer
Site designing, working with the languages: JavaScript, HTML, ASP, Perl.
With softwares such as:
Home Site, NetObjects Fusion, Macromedia Dream Weaver, Paint Shop Pro, Photo Impact, Macromedia FireWorks, Macromedia Flash.
BBS Administrator
As a child administered a BBS (Bulletin Board System) in the pre-internet world.
Programming in Pascal and Basic (BASICA, Q-Basic).
Although not actually a working place, this period of time helped a lot in understanding computers today.